Classify the input using one of these labels: neutral, positive, and negative. @united  flight 441 on 2/4 was delayed over three hours because the pilot never showed up!
system
Classify the input using one of these labels: neutral, positive, and negative. @united  flight 441 on 2/4 was delayed over three hours because the pilot never showed up!
user
negative
assistant
system
Classify the input using one of these labels: neutral, positive, and negative. @united  flight 441 on 2/4 was delayed over three hours because the pilot never showed up!
user
positive
assistant